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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_USB_TC_CTVPD_SM_H
#define __CROS_EC_USB_TC_CTVPD_SM_H
#include "usb_sm.h"
#include "usb_tc_sm.h"
/**
* This is the Type-C Port object that contains information needed to
* implement a Charge Through VCONN Powered Device.
*/
struct type_c {
/* struct sm_obj must be first */
struct sm_obj obj;
/* state id */
enum typec_state_id state_id;
/* current port power role (VPD, SOURCE or SINK) */
uint8_t power_role;
/* current port data role (DFP or UFP) */
uint8_t data_role;
/* enable power delivery state machines */
uint8_t pd_enable;
/* event timeout */
uint64_t evt_timeout;
/* state machine event */
int evt;
/* port flags, see TC_FLAGS_* */
uint32_t flags;
/*
* Time a charge-through port shall wait before it can determine it
* is attached
*/
uint64_t cc_debounce;
/* Time a host port shall wait before it can determine it is attached */
uint64_t host_cc_debounce;
/* Time a Sink port shall wait before it can determine it is detached
* due to the potential for USB PD signaling on CC as described in
* the state definitions.
*/
uint64_t pd_debounce;
/* Maintains state of billboard device */
int billboard_presented;
/*
* Time a port shall wait before it can determine it is
* re-attached during the try-wait process.
*/
uint64_t try_wait_debounce;
/* charge-through support timer */
uint64_t support_timer;
/* reset the charge-through support timer */
uint8_t support_timer_reset;
/* VPD host port cc state */
enum pd_cc_states host_cc_state;
uint8_t ct_cc;
/* The cc state */
enum pd_cc_states cc_state;
uint64_t next_role_swap;
};
extern struct type_c tc[];
#endif /* __CROS_EC_USB_TC_CTVPD_SM_H */
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